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authorTavian Barnes <tavianator@tavianator.com>2024-05-20 13:56:16 -0400
committerTavian Barnes <tavianator@tavianator.com>2024-05-20 13:56:16 -0400
commitf9498086969d917a85452560173a0d9db3604c32 (patch)
treeaadbcc28cec94d9630eedc087f07c7129e7aed45
parent17c2cff2c45dbdf7fea6fa0944afef750e1cb00f (diff)
downloadbfs-f9498086969d917a85452560173a0d9db3604c32.tar.xz
prelude: Remove max_align_t polyfill
This has been fixed in Cosmopolitan. Link: https://github.com/jart/cosmopolitan/issues/944
-rw-r--r--build/has/max-align-t.c8
-rw-r--r--build/header.mk1
-rw-r--r--src/prelude.h15
3 files changed, 0 insertions, 24 deletions
diff --git a/build/has/max-align-t.c b/build/has/max-align-t.c
deleted file mode 100644
index 96165ce..0000000
--- a/build/has/max-align-t.c
+++ /dev/null
@@ -1,8 +0,0 @@
-// Copyright © Tavian Barnes <tavianator@tavianator.com>
-// SPDX-License-Identifier: 0BSD
-
-#include <stddef.h>
-
-int main(void) {
- return _Alignof(max_align_t);
-}
diff --git a/build/header.mk b/build/header.mk
index a449b77..fb8246d 100644
--- a/build/header.mk
+++ b/build/header.mk
@@ -30,7 +30,6 @@ HEADERS := \
gen/has/getmntinfo.h \
gen/has/getprogname-gnu.h \
gen/has/getprogname.h \
- gen/has/max-align-t.h \
gen/has/pipe2.h \
gen/has/posix-getdents.h \
gen/has/posix-spawn-addfchdir-np.h \
diff --git a/src/prelude.h b/src/prelude.h
index 7a8478c..3521fe8 100644
--- a/src/prelude.h
+++ b/src/prelude.h
@@ -154,21 +154,6 @@ extern const char bfs_version[];
#endif
/**
- * Polyfill max_align_t if we don't already have it.
- */
-#if !BFS_HAS_MAX_ALIGN_T
-typedef union {
-# ifdef __BIGGEST_ALIGNMENT__
- alignas(__BIGGEST_ALIGNMENT__) char c;
-# else
- long double ld;
- long long ll;
- void *ptr;
-# endif
-} max_align_t;
-#endif
-
-/**
* Alignment specifier that avoids false sharing.
*/
#define cache_align alignas(FALSE_SHARING_SIZE)